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6
Maintenance
6.1
Notes on safety for the maintenance
The periodic maintenance is essential for the good operation, safe-
ty, yield and duration of the burner.
It allows you to reduce consumption and polluting emissions and to
keep the product in a reliable state over time.
The maintenance interventions and the calibration
of the burner must only be carried out by qualified,
authorised personnel, in accordance with the con-
tents of this manual and in compliance with the
DANGER
standards and regulations of current laws.
6.2
Maintenance programme
6.2.1
Maintenance frequency
The combustion system should be checked at least once a year
by a representative of the manufacturer or another specialised
technician.
6.2.2
Checking and cleaning
Combustion
The optimum calibration of the burner requires an analysis of the
flue gases. Significant differences with respect to the previous
measurements indicate the points where more care should be ex-
ercised during maintenance.
Combustion head
Open the burner and make sure that all components of the com-
bustion head are in good condition, not deformed by the high tem-
peratures, free of impurities from the surroundings and correctly
positioned. If in doubt, disassemble the elbow fitting 7)(Fig. 49,
page 38).
Fan
Check to make sure that no dust has accumulated inside the fan or
on its blades, as this condition will cause a reduction in the air flow
rate and provoke polluting combustion.
Burner
Clean the outside of the burner.
Clean and grease the cam variable profile.
Boiler
Clean the boiler as indicated in its accompanying instructions in or-
der to maintain all the original combustion characteristics intact, es-
pecially the flue gas temperature and combustion chamber
pressure.
Flame inspection window
Clean the flame inspection window 1)(Fig. 47).
20043127
Maintenance
Before carrying out any maintenance, cleaning or checking opera-
tions:
Disconnect the electricity supply from the burner by
means of the main switch of the system.
DANGER
Close the fuel interception tap.
DANGER
D10500
UV scanner
In order to reach the UV scanner, proceed as follows:
Extract the UV scanner 2).
Clean the glass cover from any dust that may have accumu-
lated.
2
36
GB
1
D10628
Fig. 47
Fig. 48
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